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MLB Pipeline

Sports EN ↓ 541 episodes

Find out about the stars of tomorrow, from the guys who know today. Jim Callis (@jimcallisMLB) and Jonathan Mayo (@JonathanMayo) are your tour guides for this ride through the unfolding stories & breaking news in Minor League Baseball. From top prospects to scouting executives to farm directors, the MLB Pipeline is jam-packed with exclusive coverage of the minors you can't get anywhere else.

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MLB.com

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Sports

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Latest episode

Jul 7, 2026

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Episodes

Top prospects dealt at the Trade Deadline 02.09.2020

Jim Callis, Jonathan Mayo and Jason Ratliff dig into the Trade Deadline and all of the prospects who changed teams as a result, then touch on how trades and the 2020 Draft impact the new farm system rankings. From there, the trio discuss the latest Rookie Power Rankings and examine the Rookie of the Year races before looking at the big league debuts of top prospects like the Braves’ Ian Anderson a...

The Year of the Prospect! 26.08.2020

On this week’s Pipeline Podcast, Jim Callis and Jonathan Mayo talk about the vast quantities of top-tier prospects who have been called up and are currently in the big leagues, as well as the reasons why this is the “Year of the Prospect.” Jim and Jonathan go through the Top 100 prospects who have made their debuts in just the last week alone before discussing the hottest rookies in the game, star...

Breaking down top 100 prospects who have made their debut 19.08.2020

On this week’s Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff talked about all the Top 100 prospects who have made their big league debuts this year, from recent callups like the Cardinals’ Dylan Carlson, the Phillies’ Alec Bohm and Keibert Ruiz of the Dodgers to looking ahead to the debuts of Tigers top pitching prospects Casey Mize and Tarik Skubal. The trio also dug into the most...

Breaking down the hottest rookies this season 11.08.2020

On this week’s Pipeline Podcast Jim Callis, Mike Rosenbaum and Jason Ratliff take a look at some of the hottest rookies in the big leagues, including Padres’ Jake Cronenworth, Dodgers’ Dustin May and Oakland lefty Jesus Luzardo. They also discuss the debuts of right-handers Luis Patino (Padres) and Spencer Howard (Phillies). The crew digs into some Statcast numbers to help identify what’s behind t...

Breaking down the new Top 100 Prospects list 05.08.2020

On this week’s episode of the Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff break down the newly unveiled Top 100 list that features 13 members of the 2020 Draft class. The trio discuss which teams now have the most players on the Top 100 and how that might impact their standing on the farm system rankings before looking at prospects -- both elite-level and lesser-known -- who have...

Looking at the big league debuts of top prospects, rookies who are off to fast starts 28.07.2020

On this week’s Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff break down all things Major League debut-related, from Kyle Lewis’ power output to Tyler Stephenson’s home run in his first big league at-bat on the offensive side and from Brady Singer’s first big league start for the Royals to what to expect from the Blue Jays’ Nate Pearson on the mound. Stephenson’s debut sparked a con...

Breaking down prospects to watch on Opening Day and prospects worth waiting for 22.07.2020

With the 2020 season about to get started and summer camps winding down, Jim Callis, Jonathan Mayo and Jason Ratliff spent most of this week’s Pipeline Podcast talking about prospects in camp and their chances to impact the big leagues this year, starting with the news that National League Rookie of the Year favorite Gavin Lux will not start the year with the Dodgers. They discussed prospects who...

Breaking down Opening Day rosters and looking ahead to the 2021 Futures Game 14.07.2020

On this week’s Pipeline Podcast Jim Callis, Jonathan Mayo and Jason Ratliff talked about prospects who could land on Opening Day rosters, candidates for Rookie of the Year and guys who have impressed in summer camp. They also looked ahead to who they’d like to see in the 2021 Futures Game before wrapping up with a look at the 2020 Draft signing landscape. Learn more about your ad choices. Visit me...

Breaking down the 2020 draft signings, Top 10 prospect draft, and farm system rankings 08.07.2020

On this week’s Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff start by talking about players they would’ve loved to see in this year’s Futures Game had it taken place, along with who they would’ve been excited to watch in the PDP League and High School All-Star Game that became a part of All-Star Weekend last year in Cleveland. The trio provided an update on 2020 Draft signings, foc...

Breaking down which prospects will be joining the 60-man player pool and which farm system has most talent 01.07.2020

On this week’s Pipeline Podcast, Jim Callis, Mike Rosenbaum and Jason Ratliff discuss the cancelation of the Minor League season, prospects who were named to their teams’ 60-man player pools, which 2020 Draft picks we’ll see in the big leagues first and which farm systems have the most talent among their middle-infield prospects. They also look at baseball’s best switch-hitting prospects -- a list...

Breaking down the return of baseball and the impact on future prospects 25.06.2020

  On this week’s Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff discuss the announcement of a return to baseball and how it might impact prospects and player development, they look at the top performers in the PG National Showcase and break down the recent look at the top farm systems based on talent at catcher. The podcast concludes with Jonathan’s interview with Mariners prospect...

2020 MLB Draft Recap: What team got the best haul? Biggest surprises and best picks from the class and more 17.06.2020

Jim Callis, Jonathan Mayo and Jason Ratliff reconvene for the first post-Draft Pipeline Podcast to break down their favorite picks and the most surprising selections from the Draft. They also discussed which teams had the best Draft hauls, previewed an upcoming story about each team’s first pick from the 2017 Draft, looked ahead at the 2021 Draft class and finished with a discussion about the non-...

Predicting the top of the 2020 Draft, "Tools-Twins" and a conversation with with top high school prospect Zac Veen 08.06.2020

Just days before the Draft, the Pipeline Podcast crew – Jim Callis, Jonathan Mayo and Jason Ratliff – assembled to talk about the upcoming Draft broadcast, discuss the top of the Draft, particularly Spencer Torkelson, and broke down “tools twins,” looking at current Draft prospects and how they compared grades-wise to draftees in years past. Jason then sprung a pop Draft quiz on Jim and Jonathan b...

Latest buzz surrounding the 2020 Draft, the scouting story of Charlie Blackmon and a conversation with University of Minnesota RHP Max Meyer 28.05.2020

Jim Callis and Jonathan Mayo discuss the best Draft classes of all time, the unsual scouting story of Rockies outfielder Charlie Blackmon and the latest buzz surrounding the first round of this year’s Draft. Jim then talks to University of Minnesota right-hander Max Meyer, who most project to be a top 10 pick. Learn more about your ad choices. Visit megaphone.fm/adchoices

Breaking down best draft classes and an interview with Texas A&M lefty Asa Lacy 20.05.2020

On this week’s Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff dig into Draft history and talk about some of the best Draft classes for teams over the years as well as a look at how the 2010 Draft should’ve have gone with some hindsight. They also look at the top two-way Draft prospects, past and present before discussing the most recent mock draft buzz. Texas A&M lefty Asa Lacy, con...

Top 200 Draft prospects, latest mock, best OF prospects of the 2000s 13.05.2020

On this week’s Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff discuss the new Top 200 Draft Prospects list, some of the most intriguing players from the 150-200 range and some similarly ranked players from recent Drafts who have become early picks. They also look at Jim’s latest mock draft and each team’s best outfield prospect of the past 20 years. Learn more about your ad choices....

No. 1 pick: Spencer Torkelson vs. Austin Martin and more Draft talk 07.05.2020

On this week’s Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff discussed what scouting execs had to say about whether Spencer Torkelson or Austin Martin should be the No. 1 Draft pick, identified the best small-school Draft prospects, past and present, and played the tools comp game, looking at current and past Draft prospects. Learn more about your ad choices. Visit megaphone.fm/adc...

Breaking down International Prospect List and 2020 MLB Draft 29.04.2020

Jason Ratliff, Jim Callis and Jonathan Mayo are joined by Jesse Sanchez to break down his newly released Top 30 International Prospects list, led by Yoelqui Cespedes. Then the trio turned their attention to the Draft, which now looks like it will take place on June 10 and analyzed Jonathan's first mock draft of the first round.   Learn more about your ad choices. Visit megaphone.fm/adchoices

Breaking down the new Top 150 Draft Prospects and an interview with Adley Rutschman 22.04.2020

Jason Ratliff, Jim Callis and Jonathan Mayo break down the new Draft Top 150 prospects rankings and also take a look at the best shortstop prospects over the past 20 years. Learn more about your ad choices. Visit megaphone.fm/adchoices

Callis and Mayo's Top 20 Picks 15.04.2020

On this week’s Pipeline Podcast, Jason Ratliff, Jim Callis and Jonathan Mayo dive into the 2020 Draft as they work on their Draft rankings. Jim and Jonathan did a self-draft, taking turns for the top 20 picks based on who they would want, not what they think teams will do. Learn more about your ad choices. Visit megaphone.fm/adchoices

Analyzing Pipeline Prospect Quizzes; Vlad Jr. vs. Franco 08.04.2020

On this week’s Pipeline Podcast, Jason Ratliff, Jim Callis and Jonathan Mayo talk about the Pipeline Prospect quiz and how they did in naming the top prospect from each organization. Speaking of prospect quizzes, the trio dove into Jim’s story comparing Vladimir Guerrero Jr. and Wander Franco, and what scouts in the industry had to say about the duo. They also looked at the top second base prospec...

Breaking down the "expert drafts" and top first base prospects 02.04.2020

Jason Ratliff, Jim Callis and Jonathan Mayo are joined by Pipeline colleague Mike Rosenbaum to discuss the “experts draft” they held. They also talked about the top first base prospects for each organization and the terrific series about scouts by Alexis Brudnicki before closing out with Jonathan’s interview with Twins prospect Royce Lewis. Learn more about your ad choices. Visit megaphone.fm/adch...

The '20 Draft, all-time prospect teams, comparing Top 100s 27.03.2020

Jason Ratliff, Jim Callis and Jonathan Mayo talk about the new deal for the MLB Draft, while also disussing Jim and Jonathan’s all-time all-prospect teams, MLB Pipeline’s picks for best catching prospects for each team this century and how their Top 100 measures up when compared to other Top 100 prospects lists put out by colleagues and competitors. Learn more about your ad choices. Visit megaphon...

Prospects who will be creating buzz in 2022 18.03.2020

On today’s Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff look ahead to 2022 and some prospects who will be generating buzz a couple years down the road. They discuss a big recent international signing (Yhoswar Garcia with the Phillies) and the news that Yoenis Cespedes’ younger brother Yoelqui is now on the market. They also consider how the coronavirus and the suspension of the se...

Breaking down the Top 30 prospects for each club 11.03.2020

Jonathan Mayo and Jim Callis break down the new Top 30 farm system rankings, talk about their favorite guys who just missed the top 30 team rankings list and discuss their favorite parts of traveling around the Grapefruit and Cactus Leagues. Learn more about your ad choices. Visit megaphone.fm/adchoices

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